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22223322020 = 2252694130729
BaseRepresentation
bin10100101100100111…
…001111101110100100
32010100210002201200202
4110230213033232210
5331003132301040
614113110530032
71414500056204
oct245447175644
963323081622
1022223322020
119474538839
124382666918
1321321b37b3
14110b6b4404
158a1043015
hex52c9cfba4

22223322020 has 24 divisors (see below), whose sum is σ = 46842478200. Its totient is φ = 8856280832.

The previous prime is 22223322001. The next prime is 22223322031. The reversal of 22223322020 is 2022332222.

It can be written as a sum of positive squares in 4 ways, for example, as 344770624 + 21878551396 = 18568^2 + 147914^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22223321983 and 22223322001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059985 + ... + 2070744.

It is an arithmetic number, because the mean of its divisors is an integer number (1951769925).

Almost surely, 222223322020 is an apocalyptic number.

22223322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223322020 is an abundant number, since it is smaller than the sum of its proper divisors (24619156180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22223322020 is a wasteful number, since it uses less digits than its factorization.

22223322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131007 (or 4131005 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22223322020 its reverse (2022332222), we get a palindrome (24245654242).

The spelling of 22223322020 in words is "twenty-two billion, two hundred twenty-three million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 269 538 1076 1345 2690 5380 4130729 8261458 16522916 20653645 41307290 82614580 1111166101 2222332202 4444664404 5555830505 11111661010 22223322020